Node in particle model oriented multi-layer direct connection cluster parallel computation system

A parallel computing and node technology, applied in computing, computers, digital computer components, etc., can solve the problems of being unable to be mass-produced and fully utilized, not receiving key development, and reducing the MPP system, so as to achieve good scalability and reduce Effect of hardware overhead and optimized transmission mode

Inactive Publication Date: 2009-08-05
INST OF PROCESS ENG CHINESE ACAD OF SCI
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Problems solved by technology

At present, even for single-processor microcomputers, the widening speed gap between the data processing speed of the processor and the data access speed of the memory makes it only about 10% of the peak value of the actual efficiency of running many calculation programs. For MPP systems, it is often reduced t

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  • Node in particle model oriented multi-layer direct connection cluster parallel computation system
  • Node in particle model oriented multi-layer direct connection cluster parallel computation system
  • Node in particle model oriented multi-layer direct connection cluster parallel computation system

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Embodiment Construction

[0041] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0042] The field of application of the present invention is various computer numerical simulations carried out using various "particle methods", and "particle method" is our specific general term for such a class of simulation methods, including microscopic molecular dynamics (molecular dynamics, MD) Methods, from the discrete element method (distinct element method, DEM) to describe the granular material macroscopically, to the astrodynamic method to describe the universe, etc.

[0043] Particle methods are not limited to systems that can be treated as a collection of particles intuitively, and can also describe behaviors that are traditionally simulated by continuum methods, such as fluid flow and material deformation, t...

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Abstract

The invention relates to the field of high-performance computer numerical simulation technologies and discloses a design project facing the nodes in a multi-layer directly-connected cluster parallel computing system, which consists of a plurality of logic circuit units having independent operation, storage and communication functions. The logic circuit unit at least has a logic circuit unit being a communication unit capable of directly communicating with other nodes. The other logic circuit units are computing units that execute computation task. Every computing unit is at least in direct communication with the communication unit. The units are different in function and the combination thereof makes the constitution of the node more abundant, flexible and more reliable between nodes and can improve the computing efficiency of node such that the multilayer directly-connected cluster parallel system can much more effectively execute particle simulation.

Description

technical field [0001] The invention relates to the technical field of high-performance computer numerical simulation, in particular to the design of nodes in a particle model-oriented multi-layer directly connected cluster parallel computing system. Background technique [0002] At present, the mainstream way to achieve high-performance computing is massively parallel processing (MPP). Since such a system costs a lot, how to make full use of its hardware resources is an important consideration in the design of MPP. The traditional way of thinking is to make the system adapt to many different algorithms and application problems, that is, to rely on versatility to ensure the fullness of business volume and make full use of system resources. [0003] For this reason, global fast data exchange should be realized in principle, including direct or indirect data exchange between processors and memories and between processors. Under such a design idea, when the number of processor...

Claims

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Application Information

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IPC IPC(8): G06F15/173
Inventor 葛蔚何牧君陈飞国郭力李静海
Owner INST OF PROCESS ENG CHINESE ACAD OF SCI
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